package com.gouaixin.bee.beeframework2.tool;

import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.InputStream;

/**
 * Created by Administrator on 2015/4/20.
 */
//二进制与byte[]之间的转化
public class TransformUtils {

    //将Unicode字符串转换成bool型数组
    public static boolean[] StrToBool(String input){
        boolean[] output=Binstr16ToBool(BinstrToBinstr16(StrToBinstr(input)));
        return output;
    }
    //将bool型数组转换成Unicode字符串
    public static String BoolToStr(boolean[] input){
        String output=BinstrToStr(Binstr16ToBinstr(BoolToBinstr16(input)));
        return output;
    }
    //将字符串转换成二进制字符串，以空格相隔
    public static String StrToBinstr(String str) {
        char[] strChar=str.toCharArray();
        String result="";
        for(int i=0;i<strChar.length;i++){
            result +=Integer.toBinaryString(strChar[i])+ " ";
        }
        return result;
    }
    //将二进制字符串转换成Unicode字符串
    public static String BinstrToStr(String binStr) {
        String[] tempStr=StrToStrArray(binStr);
        char[] tempChar=new char[tempStr.length];
        for(int i=0;i<tempStr.length;i++) {
            tempChar[i]=BinstrToChar(tempStr[i]);
        }
        return String.valueOf(tempChar);
    }
    //将二进制字符串格式化成全16位带空格的Binstr
    public static String BinstrToBinstr16(String input){
        StringBuffer output=new StringBuffer();
        String[] tempStr=StrToStrArray(input);
        for(int i=0;i<tempStr.length;i++){
            for(int j=16-tempStr[i].length();j>0;j--)
                output.append('0');
            output.append(tempStr[i]+" ");
        }
        return output.toString();
    }
    //将全16位带空格的Binstr转化成去0前缀的带空格Binstr
    public static String Binstr16ToBinstr(String input){
        StringBuffer output=new StringBuffer();
        String[] tempStr=StrToStrArray(input);
        for(int i=0;i<tempStr.length;i++){
            for(int j=0;j<16;j++){
                if(tempStr[i].charAt(j)=='1'){
                    output.append(tempStr[i].substring(j)+" ");
                    break;
                }
                if(j==15&&tempStr[i].charAt(j)=='0')
                    output.append("0"+" ");
            }
        }
        return output.toString();
    }
    //二进制字串转化为boolean型数组  输入16位有空格的Binstr
    public static boolean[] Binstr16ToBool(String input){
        String[] tempStr=StrToStrArray(input);
        boolean[] output=new boolean[tempStr.length*16];
        for(int i=0,j=0;i<input.length();i++,j++)
            if(input.charAt(i)=='1')
                output[j]=true;
            else if(input.charAt(i)=='0')
                output[j]=false;
            else
                j--;
        return output;
    }
    //boolean型数组转化为二进制字串  返回带0前缀16位有空格的Binstr
    public static String BoolToBinstr16(boolean[] input){
        StringBuffer output=new StringBuffer();
        for(int i=0;i<input.length;i++){
            if(input[i])
                output.append('1');
            else
                output.append('0');
            if((i+1)%16==0)
                output.append(' ');
        }
        output.append(' ');
        return output.toString();
    }
    //将二进制字符串转换为char
    public static char BinstrToChar(String binStr){
        int[] temp=BinstrToIntArray(binStr);
        int sum=0;
        for(int i=0; i<temp.length;i++){
            sum +=temp[temp.length-1-i]<<i;
        }
        return (char)sum;
    }
    //将初始二进制字符串转换成字符串数组，以空格相隔
    public static String[] StrToStrArray(String str) {
        return str.split(" ");
    }
    //将二进制字符串转换成int数组
    public static int[] BinstrToIntArray(String binStr) {
        char[] temp=binStr.toCharArray();
        int[] result=new int[temp.length];
        for(int i=0;i<temp.length;i++) {
            result[i]=temp[i]-48;
        }
        return result;
    }

    //将unicode转中文
    /**
     * Unicode转中文
     *
     * @param theString
     * @return
     */
    public static String Unicode2Chinese(String theString) {

        char aChar;

        int len = theString.length();

        StringBuffer outBuffer = new StringBuffer(len);

        for (int x = 0; x < len; ) {

            aChar = theString.charAt(x++);

            if (aChar == '\\') {

                aChar = theString.charAt(x++);

                if (aChar == 'u') {

                    // Read the xxxx

                    int value = 0;

                    for (int i = 0; i < 4; i++) {

                        aChar = theString.charAt(x++);

                        switch (aChar) {

                            case '0':

                            case '1':

                            case '2':

                            case '3':

                            case '4':

                            case '5':

                            case '6':
                            case '7':
                            case '8':
                            case '9':
                                value = (value << 4) + aChar - '0';
                                break;
                            case 'a':
                            case 'b':
                            case 'c':
                            case 'd':
                            case 'e':
                            case 'f':
                                value = (value << 4) + 10 + aChar - 'a';
                                break;
                            case 'A':
                            case 'B':
                            case 'C':
                            case 'D':
                            case 'E':
                            case 'F':
                                value = (value << 4) + 10 + aChar - 'A';
                                break;
                            default:
                                throw new IllegalArgumentException(
                                        "Malformed   \\uxxxx   encoding.");
                        }

                    }
                    outBuffer.append((char) value);
                } else {
                    if (aChar == 't')
                        aChar = '\t';
                    else if (aChar == 'r')
                        aChar = '\r';

                    else if (aChar == 'n')

                        aChar = '\n';

                    else if (aChar == 'f')

                        aChar = '\f';

                    outBuffer.append(aChar);

                }

            } else

                outBuffer.append(aChar);

        }

        return outBuffer.toString();

    }


    /***
     * 将输入流转为字符串
     */
    public static String readStream(InputStream is) {


        try {

            ByteArrayOutputStream bo = new ByteArrayOutputStream();

            int i = is.read();

            while (i != -1) {

                bo.write(i);

                i = is.read();

            }


            return bo.toString();

        } catch (IOException e) {

            return "";

        }

    }


}
